Auto Door-Closer Hinge Combines A Hinge & Door Closer in One Product Optionally A Hold Open Hinge Can Be Added Features： Advanced Engineering: Combines A Heavy Duty Hinge & Door Closer Zero Maintenance: Stainless Steel Construction, No Hydraulics, No leaking Oil. Full Adjustable: Adjust Closing Force,Adjust Closing Speed, Installation Complete Strength: Maximum Door loading with auto door-close function - 440 lbs - 4 Hinge Application Durability: 1,000,000 Cycles Testing, Many Years of Maintenance Free Operation. Code Compliant: ADA, UL Listed R26997, ANSI/BHMA A156.17 Grade 1. Material: 304 or 316 Stainless Steel Optional: B Hinge - Install in Middle Position - Hold Open Function Type: A1 + A + A (without Hold-Open Function) 1 pack includes 3 pcs Hinges A1 Hinge - Top Position - Controls Closing S peed from 0 -20° and Closing Force. A Hinge - Middle Position - Provides Additional Closing Force and Closing Speed Control A Hinge - Bottom Postion - Controls Closing Speed from 21 - 90° and Closing Force. Note: Please refer to our instruction manual for detailed operation. Maximum Door Load Per Hinge with auto door-closer function Per Hinge - 110 lbs (50kg). The product lifetime and its maximum loading weight will be influenced by the loading pressure or the set-up of braking graduation.
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